樽蓋係用嚟封住口嘅嘢。一般嚟講,膠樽蓋係用喺膠樽,而且質地唔同;而金屬樽蓋通常係用整,大部份用喺玻璃樽。樽蓋上面亦可能會有生產商嘅標誌。樽蓋分咗好多種,最普遍嘅分咗皇冠形樽蓋[1]掀蓋形樽蓋[2]旋轉形樽蓋


 
皇冠形樽蓋
 
掀蓋形樽蓋
 
好多唔同嘅樽蓋

  1. Crown Brand-Building Packaging: Crown History
  2. Putnam and another v. von Hofe. 10 February 1881 in: Federal Reporter, Nr. 6, pp. 897-902

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